5. For a satellite in an elliptical orbit around the earth, the amount of work done in a short time interval by the gravitational force from the earth on the satellite K) is zero L) is positive when the satellite is getting closer to the earth, and negative when it's getting further from the earth. M) is negative when the satellite is getting closer to the earth, and positive when it's getting further from the earth. N) is positive. 0) is negative.
Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
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